<!DOCTYPE html>
<html lang="zh-CN">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>会议已结束，感谢使用</title>
    <style>
        body {
            font-family: 'Microsoft YaHei', sans-serif;
            display: flex;
            justify-content: center;
            align-items: center;
            min-height: 100vh;
            margin: 0;
            background-color: #f5f5f5;
        }
        .container {
            text-align: center;
            padding: 2rem;
            background-color: white;
            border-radius: 8px;
            box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
            max-width: 100%;
            width: 100%;
            height: 100vh;
            display: flex;
            flex-direction: column;
            justify-content: center;
            align-items: center;
        }
        .icon {
            font-size: 4rem;
            color: #4CAF50;
            margin-bottom: 1rem;
        }
        h1 {
            color: #333;
            margin-bottom: 1rem;
        }
        p {
            color: #666;
            margin-bottom: 2rem;
        }
        .buttons {
            display: flex;
            justify-content: center;
            gap: 1rem;
        }
        .button {
            padding: 0.8rem 1.5rem;
            border: none;
            border-radius: 4px;
            cursor: pointer;
            font-size: 1rem;
            transition: background-color 0.3s;
        }
        .primary {
            background-color: #4CAF50;
            color: white;
        }
        .primary:hover {
            background-color: #45a049;
        }
        .secondary {
            background-color: #f0f0f0;
            color: #333;
        }
        .secondary:hover {
            background-color: #e4e4e4;
        }
    </style>
</head>
<body>
    <div class="container">
        <div class="icon">✓</div>
        <h1>会议已结束</h1>
        <p>感谢您的参与！您可以安全地关闭此窗口。</p>
    </div>
</body>
</html>
